TMS zl Management and Configuration Guide ST.1.1.100226

7-347
Virtual Private Networks
GRE Examples
l. From the Available Addresses list, select siteBinter2nd.
m. Click the Move Right button to move the object into the Group Members
list.
n. Click Apply.
o. Click Close.
Configure Firewall Access Policies for Site B
You must configure the following policies:
■ Permit GRE messages to the remote gateway.
■ Permit GRE messages from the remote gateway.
■ Permit traffic from the local endpoints to the remote endpoints.
■ Permit traffic from the remote endpoints to the local endpoints.
To configure the necessary policies, complete the following steps:
1. In the left navigation bar of the Web browser interface, click Firewall >
Access Policies. You are at the Unicast tab.
2. Click Add a Policy. The Add Policy window is displayed.
3. Permit GRE messages to the remote gateway.
a. For Action, accept the default, Permit Traffic.
b. For From, select SELF.
c. For To, select EXTERNAL.
d. For Service, click Options and click Enter custom Protocol/Port. Then
select (47) GRE for Protocol.
e. For Source, select siteAinterfaces.
f. For Destination, select siteBinterfaces.
g. Click Apply.
4. Permit GRE messages from the remote gateway.
a. For Action, accept the default, Permit Traffic.
b. For From, select EXTERNAL.
c. For To, select SELF.
d. For Service, click Options and click Enter custom Protocol/Port. Then
select (47) GRE for Protocol.
e. For Source, select siteBinterfaces.
f. For Destination, select siteAinterfaces.
g. Click Apply.